[INFO] fetching crate wat-ast 0.20.3...
[INFO] testing wat-ast-0.20.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wat-ast 0.20.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wat-ast 0.20.3 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wat-ast 0.20.3
[INFO] finished tweaking crates.io crate wat-ast 0.20.3
[INFO] tweaked toml for crates.io crate wat-ast 0.20.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f771a86e0d5c2fe8ad11f5adc96d9edda4e4b336769a0a98d15ce05a9bcf6dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f771a86e0d5c2fe8ad11f5adc96d9edda4e4b336769a0a98d15ce05a9bcf6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f771a86e0d5c2fe8ad11f5adc96d9edda4e4b336769a0a98d15ce05a9bcf6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f771a86e0d5c2fe8ad11f5adc96d9edda4e4b336769a0a98d15ce05a9bcf6dd", kill_on_drop: false }`
[INFO] [stdout] 2f771a86e0d5c2fe8ad11f5adc96d9edda4e4b336769a0a98d15ce05a9bcf6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d2961c499d9d14a504c4d880a8973ea80c2e77a2123efd5a74a7d62d8aee3dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d2961c499d9d14a504c4d880a8973ea80c2e77a2123efd5a74a7d62d8aee3dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wast v26.0.1
[INFO] [stderr]    Compiling wat-ast v0.20.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "9d2961c499d9d14a504c4d880a8973ea80c2e77a2123efd5a74a7d62d8aee3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2961c499d9d14a504c4d880a8973ea80c2e77a2123efd5a74a7d62d8aee3dc", kill_on_drop: false }`
[INFO] [stdout] 9d2961c499d9d14a504c4d880a8973ea80c2e77a2123efd5a74a7d62d8aee3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01af6ce6cceb945716c4f2ed25be033f486df191cce688876542f24560e2e6db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01af6ce6cceb945716c4f2ed25be033f486df191cce688876542f24560e2e6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling wat-ast v0.20.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "01af6ce6cceb945716c4f2ed25be033f486df191cce688876542f24560e2e6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01af6ce6cceb945716c4f2ed25be033f486df191cce688876542f24560e2e6db", kill_on_drop: false }`
[INFO] [stdout] 01af6ce6cceb945716c4f2ed25be033f486df191cce688876542f24560e2e6db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b81eca3d7f1fe19feef9f73aca5b65d4b78ccc1dbfda00107115874ec6db9b0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b81eca3d7f1fe19feef9f73aca5b65d4b78ccc1dbfda00107115874ec6db9b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wat_ast-71fd5f9a2bc37046
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests wat-ast
[INFO] [stdout] test document::tests::empty_module ... ok
[INFO] [stdout] test document::tests::output_empty_module ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b81eca3d7f1fe19feef9f73aca5b65d4b78ccc1dbfda00107115874ec6db9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b81eca3d7f1fe19feef9f73aca5b65d4b78ccc1dbfda00107115874ec6db9b0", kill_on_drop: false }`
[INFO] [stdout] 4b81eca3d7f1fe19feef9f73aca5b65d4b78ccc1dbfda00107115874ec6db9b0